<template>
  <div>
    {{ name }}
    <button @click="updateName">修改名字</button>
  </div>
</template>

<script lang="ts" setup name="Person123">
  import { ref } from 'vue'

  let name = ref('131312312321')

  const updateName = () => {
    name.value = 'ljw'
  }
</script>
